hackphil@debian:~$ sudo /etc/init.d/networking restart

Reconfiguring network interfaces...Moving from netstart to if-pre-up,eth1
Moving from if-pre-up,eth1 to if-pre-up,ra0
Error for wireless request "Set ESSID" (8B1A) :
    SET failed on device ra0 ; No such device.
SIOCSIFADDR: No such device
ra0: ERROR while getting interface flags: No such device
SIOCSIFNETMASK: No such device
ra0: ERROR while getting interface flags: No such device
Failed to bring up ra0.
Moving from if-pre-up,ra0 to ath0,if-pre-up
Error for wireless request "Set ESSID" (8B1A) :
    SET failed on device ath0 ; No such device.
SIOCSIFADDR: No such device
ath0: ERROR while getting interface flags: No such device
SIOCSIFNETMASK: No such device
ath0: ERROR while getting interface flags: No such device
Failed to bring up ath0.
done.
hackphil@debian:~$